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VERB
（狗等）低声吼叫
When a dog or other animal growls, it makes a low noise in its throat, usually because it is angry.
例句
The dog was biting, growling and wagging its tail.
那条狗在一边撕咬一边低声吼叫，尾巴也跟着摇摆。
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VERB
（人）发出低沉的怒吼，咆哮
If someone growls something, they say something in a low, rough, and angry voice.
例句
His fury was so great he could hardly speak. He growled some unintelligible words at Pete...
他气得几乎说不出话来，冲着皮特不知咆哮些什么。
'I should have killed him,' Sharpe growled.
“我本该宰了他的，”夏普吼道。
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VERB
隆隆作响；轰鸣
If you say that something growls, you mean that it makes a deep low noise.
例句
My stomach growled...
我的肚子咕咕叫。
The car growls along rutted streets.
汽车在车辙纵横的街上一路轰鸣。